One email inbox for all your domains, plus a send API for your app
Messaging for the AI era
Stage
Startup
Not given
Founded
2026
Not given
Based in
RO
AU
Pricing model
Not given
Freemium
Pricing
Basic $10/month (up to 5 domains, 3,000 emails/month, $1.80 per 1,000 extra emails); Agency $40/month (up to 30 domains, 15,000 emails/month, $1.30 per 1,000 extra emails). 7-day free trial on Basic plan.
Individual: Free with 16 GB storage, 10,000 messages/day, 3 sub-addresses. Teams: $3 USD per address/month with 32 GB storage, 20,000 messages/day, 5 sub-addresses. Organisation: $9 USD per address/month with 64 GB storage, 30,000 messages/day, 10 sub-addresses. Add-ons: $8 per 32 GB/month, $2 per 1
Key features
Multi-domain inbox with color tagging by project
Reply as the correct sender address
Transactional send API (Resend compatible)
One DNS setup per domain (no forwarding rules)
MCP server integration with AI agents
Team collaboration (up to 10 members on Agency plan)
Postmark delivery on authenticated domain
Overage pricing for additional volume
HTTP API and MCP for programmatic access
Addresses on custom domain
Sub-addresses for AI agents and software
Sender verification and cryptographic chains
Message integrity and tamper-proof delivery
Per-address and domain-wide access controls
Anomaly and loop detection rules engine
Web, desktop and mobile applications
Per-message cyber scanning (Organisation plan)
Audit tooling and secure data erasure
What makes it different
Single inbox and API for all domains instead of multiple services per domain
No per-seat pricing, flat rate per domain bundle
Authenticated replies solve DMARC issues that forwarding cannot
Mailyond
fmsg.ai